9130720224 has 24 divisors (see below), whose sum is σ = 23968140840. Its totient is φ = 3043573376.

The previous prime is 9130720211. The next prime is 9130720229. The reversal of 9130720224 is 4220270319.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×9130720224² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9130720191 and 9130720200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9130720229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47555739 + ... + 47555930.

It is an arithmetic number, because the mean of its divisors is an integer number (998672535).

Almost surely, 2^9130720224 is an apocalyptic number.

It is an amenable number.

9130720224 is an abundant number, since it is smaller than the sum of its proper divisors (14837420616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9130720224 is a wasteful number, since it uses less digits than its factorization.

9130720224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95111682 (or 95111674 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 9130720224 is about 95554.8022027151. The cubic root of 9130720224 is about 2090.1061600647.

The spelling of 9130720224 in words is "nine billion, one hundred thirty million, seven hundred twenty thousand, two hundred twenty-four".